Gregory Case Biography and Net Worth

CEO of AON

Greg Case is Chief Executive Officer of Aon plc, a leading global professional services firm providing a broad range of risk, retirement and health solutions. He is also a member of the company's Board of Directors and the Governance/Nominating Committee’s Inclusion and Diversity Sub-Committee of our Board of Directors.

Before joining Aon, he served on the governing Shareholders' Council at McKinsey & Company, a leading international management consultant, and led their Global Insurance and Financial Services Practice. Prior to McKinsey, he worked for the investment banking firm of Piper, Jaffray and Hopwood and at the Federal Reserve Bank.

Case holds an MBA from Harvard Business School and graduated summa cum laude from Kansas State University. He serves on the boards of Discover Financial Services, Ann & Robert H. Lurie Children's Hospital, Field Museum of Natural History, CEOs Against Cancer and St. John's University School of Risk Management. Case was named by the Harvard Business Review as one of the top 100 best performing CEOs in the world in 2018, 2017, 2016 and 2014.

What is Gregory C. Case's net worth?: The estimated net worth of Gregory C. Case is at least $179.56 million as of February 22nd, 2017. Mr. Case owns 572,789 shares of AON stock worth more than $179,556,750 as of March 30th. This net worth estimate does not reflect any other investments that Mr. Case may own. Learn More about Gregory C. Case's net worth.
How do I contact Gregory C. Case?: The corporate mailing address for Mr. Case and other AON executives is JAMES JOYCE STREET METROPOLITAN BUILDING, DUBLIN L2, D01 K0Y8. AON can also be reached via phone at (531) 266-6000 and via email at [email protected]. Learn More on Gregory C. Case's contact information.
Has Gregory C. Case been buying or selling shares of AON?: Gregory C. Case has not been actively trading shares of AON during the last quarter. Most recently, Gregory C. Case sold 520,000 shares of the business's stock in a transaction on Wednesday, February 22nd. The shares were sold at an average price of $115.58, for a transaction totalling $60,101,600.00. Following the completion of the sale, the chief executive officer now directly owns 572,789 shares of the company's stock, valued at $66,202,952.62. Learn More on Gregory C. Case's trading history.
Who are AON's active insiders?: AON's insider roster includes Eric Andersen (President), John Bruno (COO), Gregory Case (CEO), Christa Davies (CFO), Caroline Grace (CEO), Lester Knight (Director), Peter Lieb (General Counsel), J. Losh (Director), Stephen McGill (CEO), Michael Neller (Insider), Michael O'Connor (CEO), Mindy Simon (COO), Byron Spruell (Director), Lisa Stevens (EVP & Chief People Officer), Andy Weitz (Chief Marketing Officer), Carolyn Woo (Director), Darren Zeidel (General Counsel), and John Zern (CEO). Learn More on AON's active insiders.
Are insiders buying or selling shares of AON?: In the last twelve months, AON insiders bought shares 1 times. They purchased a total of 4,000 shares worth more than $1,276,960.00. In the last twelve months, insiders at the financial services provider sold shares 1 times. They sold a total of 5,040 shares worth more than $1,641,981.60. The most recent insider tranaction occured on February, 17th when General Counsel Darren Zeidel sold 5,040 shares worth more than $1,641,981.60. Insiders at AON own 1.1% of the company. Learn More about insider trades at AON.
Information on this page was last updated on 2/17/2026.

Gregory C. Case Insider Trading History at AON

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
2/22/2017	Sell	520,000	$115.58	$60,101,600.00	572,789
12/1/2015	Sell	99,645	$95.02	$9,468,267.90	874,809
11/30/2015	Sell	53,845	$95.02	$5,116,351.90	874,809
11/24/2015	Sell	230,790	$95.04	$21,934,281.60	974,454
11/18/2015	Sell	101,390	$95.00	$9,632,050.00	1,205,244
11/5/2015	Sell	98,175	$95.01	$9,327,606.75	1,306,634
3/13/2015	Sell	58,534	$96.89	$5,671,359.26
3/11/2015	Sell	87,980	$97.09	$8,541,978.20
3/6/2015	Sell	87,251	$99.56	$8,686,709.56
3/3/2015	Sell	87,254	$99.93	$8,719,292.22
2/26/2015	Sell	87,100	$100.31	$8,737,001.00
2/23/2015	Sell	87,321	$99.91	$8,724,241.11
2/18/2015	Sell	87,062	$100.77	$8,773,237.74
2/12/2015	Sell	70,950	$98.09	$6,959,485.50

Gregory C. Case Buying and Selling Activity at AON

AON Company Overview

Aon Plc engages in the provision of risk, health, and wealth solutions. It focuses on risk capital including claim management, reinsurance, risk analysis, management, retention, and transfer; and human capital involving analytics, health and benefits, investments, pensions and retirement, talent and rewards, and workplace wellbeing. The company was founded in 1982 and is headquartered in Dublin, Ireland.

Today's Range

Now: $313.48

$312.05

$328.00

50 Day Range

MA: $329.23

$309.67

$350.27

2 Week Range

Now: $313.48

$304.59

$402.49

Volume

1,343,989 shs

Average Volume

1,412,257 shs

Market Capitalization

$67.17 billion

P/E Ratio

18.42

Dividend Yield

0.95%

Beta

0.82